<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <meta name="description" content="Browse Cesium's built in materials and define new ones using the Fabric schema.">
    <meta name="cesium-sandcastle-labels" content="Showcases">
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script type="text/javascript" src="../../../Build/CesiumUnminified/Cesium.js" nomodule></script>
    <script type="module" src="../load-cesium-es6.js"></script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
<style>
    @import url(../templates/bucket.css);
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar"></div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
    'use strict';
//Sandcastle_Begin
var rectangle;
var worldRectangle;
var polyline;

function applyAlphaMapMaterial(primitive, scene) {
    Sandcastle.declare(applyAlphaMapMaterial);  // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            materials : {
                alphaMaterial : {
                    type : 'AlphaMap',
                    uniforms : {
                        image : '../images/Cesium_Logo_Color.jpg',
                        channel : 'r'
                    }
                }
            },
            components : {
                diffuse : 'vec3(1.0)',
                alpha : 'alphaMaterial.alpha'
            }
        }
    });
}

function applyBumpMapMaterial(primitive, scene) {
    Sandcastle.declare(applyBumpMapMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            materials : {
                diffuseMaterial : {
                    type : 'DiffuseMap',
                    uniforms : {
                        image : '../images/bumpmap.png'
                    }
                },
                bumpMaterial : {
                    type : 'BumpMap',
                    uniforms : {
                        image : '../images/bumpmap.png',
                        strength : 0.8
                    }
                }
            },
            components : {
                diffuse : 'diffuseMaterial.diffuse',
                specular : 0.01,
                normal : 'bumpMaterial.normal'
            }
        }
    });
}

function applyCheckerboardMaterial(primitive, scene) {
    Sandcastle.declare(applyCheckerboardMaterial);  // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Checkerboard');
}

function applyColorMaterial(primitive, scene) {
    Sandcastle.declare(applyColorMaterial); // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Color');
}

function applyCompositeMaterial(primitive, scene) {
    Sandcastle.declare(applyCompositeMaterial);    // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
            fabric: {
                uniforms : {
                    image: '../images/earthspec1k.jpg',
                    heightField : '../images/earthbump1k.jpg'
                },
                materials: {
                    bumpMap: {
                        type : 'BumpMap',
                        uniforms : {
                            image : '../images/earthbump1k.jpg'
                        }
                    }
                },
                source :
                    'czm_material czm_getMaterial(czm_materialInput materialInput) { \n' +
                    '    czm_material material = czm_getDefaultMaterial(materialInput); \n' +
                    '    vec4 color; \n' +
                    '    float heightValue = texture2D(heightField, materialInput.st).r; \n' +
                    '    color.rgb = mix(vec3(0.2, 0.6, 0.2), vec3(1.0, 0.5, 0.2), heightValue); \n' +
                    '    color.a = (1.0 - texture2D(image, materialInput.st).r) * 0.7; \n' +
                    '    color = czm_gammaCorrect(color); \n' +
                    '    material.diffuse = color.rgb; \n' +
                    '    material.alpha = color.a; \n' +
                    '    material.normal = bumpMap.normal; \n' +
                    '    material.specular = step(0.1, heightValue); \n' + // Specular mountain tops
                    '    material.shininess = 8.0; \n' + // Sharpen highlight
                    '    return material; \n' +
                    '} \n'
            }
        });
}

function applyDotMaterial(primitive, scene) {
    Sandcastle.declare(applyDotMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Dot');
}

function applyDiffuseMaterial(primitive, scene) {
    Sandcastle.declare(applyDiffuseMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'DiffuseMap',
            uniforms : {
                image : '../images/Cesium_Logo_Color.jpg'
            }
        }
    });
}

function applyEmissionMapMaterial(primitive, scene) {
    Sandcastle.declare(applyEmissionMapMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            materials : {
                diffuseMaterial : {
                    type : 'DiffuseMap',
                    uniforms : {
                        image : '../images/Cesium_Logo_Color.jpg'
                    }
                },
                emissionMaterial : {
                    type : 'EmissionMap',
                    uniforms : {
                        image : '../images/checkerboard.png',
                        repeat : {
                            x : 1,
                            y : 0.5
                        }
                    }
                }
            },
            components : {
                diffuse : 'diffuseMaterial.diffuse',
                emission : 'emissionMaterial.emission * 0.2'
            }
        }
    });
}

function applyWaterMaterial(primitive, scene) {
    Sandcastle.declare(applyWaterMaterial); // For highlighting in Sandcastle.

    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'Water',
            uniforms : {
                specularMap: '../images/earthspec1k.jpg',
                normalMap: Cesium.buildModuleUrl('Assets/Textures/waterNormals.jpg'),
                frequency: 10000.0,
                animationSpeed: 0.01,
                amplitude: 1.0
            }
        }
    });
}

function applyGridMaterial(primitive, scene) {
    Sandcastle.declare(applyGridMaterial); // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Grid');
}

function applyImageMaterial(primitive, scene) {
    Sandcastle.declare(applyImageMaterial); // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'Image',
            uniforms : {
                image : '../images/Cesium_Logo_Color.jpg'
            }
        }
     });
}

function applyCompressedTextureMaterial(primitive, scene) {
    Sandcastle.declare(applyCompressedTextureMaterial); // For highlighting in Sandcastle.

    var compressedImageUrl;
    if (scene.getCompressedTextureFormatSupported('s3tc')) {
        compressedImageUrl = '../images/LogoDXT1.ktx';
    } else if (scene.getCompressedTextureFormatSupported('etc1')) {
        compressedImageUrl = '../images/LogoETC1.ktx';
    } else if (scene.getCompressedTextureFormatSupported('pvrtc')) {
        compressedImageUrl = '../images/LogoPVR.ktx';
    }

    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'Image',
            uniforms : {
                image : compressedImageUrl
            }
        }
    });
}

function applyNormalMapMaterial(primitive, scene) {
    Sandcastle.declare(applyNormalMapMaterial); // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            materials : {
                diffuseMaterial : {
                    type : 'DiffuseMap',
                    uniforms : {
                        image : '../images/bumpmap.png'
                    }
                },
                normalMap : {
                    type : 'NormalMap',
                    uniforms : {
                        image : '../images/normalmap.png',
                        strength : 0.6
                    }
                }
            },
            components : {
                diffuse : 'diffuseMaterial.diffuse',
                specular : 0.01,
                normal : 'normalMap.normal'
            }
        }
    });
}

function applySpecularMapMaterial(primitive, scene) {
    Sandcastle.declare(applySpecularMapMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'SpecularMap',
            uniforms : {
                image : '../images/Cesium_Logo_Color.jpg',
                channel : 'r'
            }
        }
    });
}

function applyStripeMaterial(primitive, scene) {
    Sandcastle.declare(applyStripeMaterial);    // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Stripe');
}

function applyRimLightingMaterial(primitive, scene) {
    Sandcastle.declare(applyRimLightingMaterial);  // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('RimLighting');
}

function applyPolylineArrowMaterial(primitive, scene) {
    Sandcastle.declare(applyPolylineArrowMaterial);  // For highlighting in Sandcastle.
    var material = Cesium.Material.fromType('PolylineArrow');
    primitive.material = material;
}

function applyPolylineGlowMaterial(primitive, scene) {
    Sandcastle.declare(applyPolylineGlowMaterial);  // For highlighting in Sandcastle.
    var material = Cesium.Material.fromType('PolylineGlow', {
        color : Cesium.Color.CRIMSON,
        glowPower : 0.2,
        taperPower : 0.4
    });
    primitive.material = material;
}

function applyPolylineOutlineMaterial(primitive, scene) {
    Sandcastle.declare(applyPolylineOutlineMaterial);  // For highlighting in Sandcastle.
    var material = Cesium.Material.fromType('PolylineOutline', {
        outlineWidth : primitive.width / 2.0
    });
    primitive.material = material;
}

function createButtons(scene) {
    function toggleRectangleVisibility() {
        rectangle.show = true;
        worldRectangle.show = false;
        polyline.show = false;
    }

    function toggleWorldRectangleVisibility() {
        worldRectangle.show = true;
        rectangle.show = false;
        polyline.show = false;
    }

    function togglePolylineVisibility() {
        polyline.show = true;
        worldRectangle.show = false;
        rectangle.show = false;
    }

    Sandcastle.addToolbarMenu([{
        text : 'Common materials'
    }, {
        text : 'Color',
        onselect : function() {
            toggleRectangleVisibility();
            applyColorMaterial(rectangle, scene);
            Sandcastle.highlight(applyColorMaterial);
        }
    }, {
        text : 'Image',
        onselect : function() {
            toggleRectangleVisibility();
            applyImageMaterial(rectangle, scene);
            Sandcastle.highlight(applyImageMaterial);
        }
    }, {
        text : 'Compressed Image',
        onselect : function() {
            toggleRectangleVisibility();
            applyCompressedTextureMaterial(rectangle, scene);
            Sandcastle.highlight(applyCompressedTextureMaterial);
        }
    }]);

    Sandcastle.addToolbarMenu([{
        text : 'Procedural textures'
    }, {
        text : 'Checkerboard',
        onselect : function() {
            toggleRectangleVisibility();
            applyCheckerboardMaterial(rectangle, scene);
            Sandcastle.highlight(applyCheckerboardMaterial);
        }
    }, {
        text : 'Dot',
        onselect : function() {
            toggleRectangleVisibility();
            applyDotMaterial(rectangle, scene);
            Sandcastle.highlight(applyDotMaterial);
        }
    }, {
        text : 'Grid',
        onselect : function() {
            toggleRectangleVisibility(rectangle, worldRectangle);
            applyGridMaterial(rectangle, scene);
            Sandcastle.highlight(applyGridMaterial);
        }
    }, {
        text : 'Stripe',
        onselect : function() {
            toggleRectangleVisibility();
            applyStripeMaterial(rectangle, scene);
            Sandcastle.highlight(applyStripeMaterial);
        }
    }]);

    Sandcastle.addToolbarMenu([{
        text : 'Base materials'
    }, {
        text : 'Alpha Map',
        onselect : function() {
            toggleRectangleVisibility();
            applyAlphaMapMaterial(rectangle, scene);
            Sandcastle.highlight(applyAlphaMapMaterial);
        }
    }, {
        text : 'Bump Map',
        onselect : function() {
            toggleRectangleVisibility();
            applyBumpMapMaterial(rectangle, scene);
            Sandcastle.highlight(applyBumpMapMaterial);
        }
    }, {
        text : 'Diffuse',
        onselect : function() {
            toggleRectangleVisibility();
            applyDiffuseMaterial(rectangle, scene);
            Sandcastle.highlight(applyDiffuseMaterial);
        }
    }, {
        text : 'Emission Map',
        onselect : function() {
            toggleRectangleVisibility();
            applyEmissionMapMaterial(rectangle, scene);
            Sandcastle.highlight(applyEmissionMapMaterial);
        }
    }, {
        text : 'Normal Map',
        onselect : function() {
            toggleRectangleVisibility();
            applyNormalMapMaterial(rectangle, scene);
            Sandcastle.highlight(applyNormalMapMaterial);
        }
    }, {
        text : 'Specular Map',
        onselect : function() {
            toggleRectangleVisibility();
            applySpecularMapMaterial(rectangle, scene);
            Sandcastle.highlight(applySpecularMapMaterial);
        }
    }]);

    Sandcastle.addToolbarMenu([{
        text : 'Misc materials'
    }, {
        text : 'Rim Lighting',
        onselect : function() {
            toggleWorldRectangleVisibility();
            applyRimLightingMaterial(worldRectangle, scene);
            Sandcastle.highlight(applyRimLightingMaterial);
        }
    }, {
        text : 'Water',
        onselect : function() {
            toggleWorldRectangleVisibility();
            applyWaterMaterial(worldRectangle, scene);
            Sandcastle.highlight(applyWaterMaterial);
        }
    }]);

    Sandcastle.addToolbarMenu([{
        text : 'Example composite materials'
    }, {
        text : 'Composite Example',
        onselect : function() {
            toggleWorldRectangleVisibility();
            applyCompositeMaterial(worldRectangle, scene);
            Sandcastle.highlight(applyCompositeMaterial);
        }
    }]);

    Sandcastle.addToolbarMenu([{
        text : 'Polyline materials'
    }, {
        text : 'Polyline Arrow',
        onselect : function() {
            togglePolylineVisibility();
            applyPolylineArrowMaterial(polyline, scene);
            Sandcastle.highlight(applyPolylineArrowMaterial);
        }
    }, {
        text : 'Polyline Glow',
        onselect : function() {
            togglePolylineVisibility();
            applyPolylineGlowMaterial(polyline, scene);
            Sandcastle.highlight(applyPolylineGlowMaterial);
        }
    }, {
        text : 'Polyline Outline',
        onselect : function() {
            togglePolylineVisibility();
            applyPolylineOutlineMaterial(polyline, scene);
            Sandcastle.highlight(applyPolylineOutlineMaterial);
        }
    }]);

    document.getElementById('toolbar').style.width = '10%';
}

function createPrimitives(scene) {
    rectangle = scene.primitives.add(new Cesium.Primitive({
        geometryInstances : new Cesium.GeometryInstance({
            geometry : new Cesium.RectangleGeometry({
                rectangle : Cesium.Rectangle.fromDegrees(-120.0, 20.0, -60.0, 40.0),
                vertexFormat : Cesium.EllipsoidSurfaceAppearance.VERTEX_FORMAT
            })
        }),
        appearance : new Cesium.EllipsoidSurfaceAppearance({
            aboveGround : false
        })
    }));

    worldRectangle = scene.primitives.add(new Cesium.Primitive({
        geometryInstances : new Cesium.GeometryInstance({
            geometry : new Cesium.RectangleGeometry({
                rectangle : Cesium.Rectangle.fromDegrees(-180.0, -90.0, 180.0, 90.0),
                vertexFormat : Cesium.EllipsoidSurfaceAppearance.VERTEX_FORMAT
            })
        }),
        appearance : new Cesium.EllipsoidSurfaceAppearance({
            aboveGround : false
        }),
        show : false
    }));

    var polylines = scene.primitives.add(new Cesium.PolylineCollection());
    polyline = polylines.add({
        positions : Cesium.PolylinePipeline.generateCartesianArc({
            positions : Cesium.Cartesian3.fromDegreesArray([-110.0, 42.0,
                                                            -85.0, 36.0,
                                                            -100.0, 25.0,
                                                            -77.0, 12.0])
        }),
        width : 10.0,
        show : false
    });
}

var viewer = new Cesium.Viewer('cesiumContainer');
var scene = viewer.scene;

createPrimitives(scene);
createButtons(scene);
//Sandcastle_End
    Sandcastle.finishedLoading();
}
if (typeof Cesium !== 'undefined') {
    window.startupCalled = true;
    startup(Cesium);
}
</script>
</body>
</html>
